In-line roller skate frame



FIG. 1 is a right front perspective view of an in-line roller skate frame showing our new design;

FIG. 2 is a right side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof.

The broken line showing of the boot and wheels in FIG. 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an in-line roller skate frame, as shown and described. 